Key benefits and features Optimized cooling system: Waterresistant fabric blocks external heat. The doublelayer foil lid with thermal barrier provides longlasting insulation to keep drinks cold for 8 hours and food fresh for 4 hours, supporting your travel and outdoor activities with reliable performance. Efficient gear organization: Large main compartment offers 50 L capacity. Front double pockets plus elastic mesh panels help organize and access items quickly and easily. Leak prevention and secure transport: Reinforced seams and waterproof lining protect liquids and prevent spills even with bottles or soups, while maintaining durability during use. Enhanced carry comfort: Wide, padded shoulder straps with honeycomb back cushioning reduce pressure and improve comfort for extended carrying periods. Specifications and attributes Capacity: 50 L Material: waterresistant outer fabric; waterproof lining for interior protection Insulation: doublelayer foil lid with thermal barrier for sustained temperature control Pockets and organizers: front double pockets; elastic mesh panels for added organization Construction: reinforced seams designed for durability Comfort features: wide padded shoulder straps; honeycomb back cushioning Use scenarios Day trips and picnics: pack beverages and meals, keep drinks cold and food fresh while on the go. Road trips and outdoor commuting: large capacity and organized compartments support gear, snacks, and beverages with secure transport and quick access. Camping, hiking, or beach outings: waterresistant exterior and reliable insulation help maintain temperature and protect contents during outdoor activities, with comfortable carry over long periods.